s1 := s[0:1]
	sink = s1 // ERROR "s1 escapes to heap$"
}

func addstr0() {
	s0 := "a"
	s1 := "b"
	s := s0 + s1 // ERROR "s0 \+ s1 does not escape$"
	_ = s
}

func addstr1() {
	s0 := "a"
	s1 := "b"
	s := "c"
	s += s0 + s1 // ERROR "s0 \+ s1 does not escape$"
	_ = s
}

func addstr2() {
	b := make([]byte, 20) // ERROR "make\(\[\]byte, 20\) does not escape$"

	s1 := s[0:1]
	sink = s1 // ERROR "s1 escapes to heap$"
}

func addstr0() {
	s0 := "a"
	s1 := "b"
	s := s0 + s1 // ERROR "s0 \+ s1 does not escape$"
	_ = s
}

func addstr1() {
	s0 := "a"
	s1 := "b"
	s := "c"
	s += s0 + s1 // ERROR "s0 \+ s1 does not escape$"
	_ = s
}

func addstr2() {
	b := make([]byte, 20) // ERROR "make\(\[\]byte, 20\) does not escape$"

	defer func() {
		if r := recover(); r != nil {
			err = fmt.Errorf("addInt failed: %v", r)
		}
	}()
	m[key] += 2018
	return nil
}

func addStr(m map[interface{}]string, key interface{}) (err error) {
	defer func() {
		if r := recover(); r != nil {
			err = fmt.Errorf("addStr failed: %v", r)
		}
	}()
	m[key] += "hello, go"
	return nil
}

func appendInt(m map[interface{}][]int, key interface{}) (err error) {

	sa := local.NewIstiodAnalyzer(AllMultiClusterCombined(), "", "istio-system", cr)

	// Add the test files to the fake client
	if err := addStore(sa, "cluster1", tc.cluster1InputFiles); err != nil {
		return nil, err
	}
	if err := addStore(sa, "cluster2", tc.cluster2InputFiles); err != nil {
		return nil, err
	}

	// Include default resources
	if err := sa.AddDefaultResources(); err != nil {

	var packetConnTests = []struct {
		net   string
		addr1 string
		addr2 string
	}{
		{"udp", "127.0.0.1:0", "127.0.0.1:0"},
		{"unixgram", testUnixAddr(t), testUnixAddr(t)},
	}

	closer := func(c PacketConn, net, addr1, addr2 string) {
		c.Close()
		switch net {
		case "unixgram":
			os.Remove(addr1)
			os.Remove(addr2)
		}
	}

	for _, tt := range packetConnTests {

		addr1 := v1.UnsafeAddr()
		addr2 := v2.UnsafeAddr()
		if addr1 > addr2 {
			// Canonicalize order to reduce number of entries in visited.
			addr1, addr2 = addr2, addr1
		}

		// Short circuit if references are identical ...
		if addr1 == addr2 {
			return true
		}

		// ... or already seen
		typ := v1.Type()
		v := visit{addr1, addr2, typ}
		if visited[v] {
			return true
		}

	"testing"
)

func TestConvertMemProfile(t *testing.T) {
	addr1, addr2, map1, map2 := testPCs(t)

	// MemProfileRecord stacks are return PCs, so add one to the
	// addresses recorded in the "profile". The proto profile
	// locations are call PCs, so conversion will subtract one
	// from these and get back to addr1 and addr2.
	a1, a2 := uintptr(addr1)+1, uintptr(addr2)+1
	rate := int64(512 * 1024)
	rec := []profilerecord.MemProfileRecord{

		map1, map2 = fake, fake
	}
	return
}

func TestConvertCPUProfile(t *testing.T) {
	addr1, addr2, map1, map2 := testPCs(t)

	b := []uint64{
		3, 0, 500, // hz = 500
		5, 0, 10, uint64(addr1 + 1), uint64(addr1 + 2), // 10 samples in addr1
		5, 0, 40, uint64(addr2 + 1), uint64(addr2 + 2), // 40 samples in addr2
		5, 0, 10, uint64(addr1 + 1), uint64(addr1 + 2), // 10 samples in addr1
	}

				w.AddIP([16]byte{1: 1, 15: 15})
				w.AddIP([16]byte{2: 2, 14: 14})
				return nil
			},
			HandleSRV: func(w SRVWriter, name string) error {
				w.AddSRV(1, 2, 80, "foo.bar.")
				w.AddSRV(2, 3, 81, "bar.baz.")
				return nil
			},
		}),
	}
	ctx := context.Background()
	const fakeDomain = "something-that-is-a-not-a-real-domain.fake-tld."

	t.Run("LookupIP", func(t *testing.T) {

}

func BenchmarkCallClosure3(b *testing.B) {
	for i := 0; i < b.N; i++ {
		ss = addr1(i)
	}
}

func addr2() (x int, p *int) {
	return 0, func() *int { return &x }()
}

func BenchmarkCallClosure4(b *testing.B) {
	for i := 0; i < b.N; i++ {
		_, ss = addr2()
	}